package com.mmall.util;


import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Properties;

/**
 * @Author: Czh
 * @Date: 2019/4/1  17:27
 * @Version: 1.0
 **/
@Slf4j
public class PropertiesUtil {

       // private static Logger logger = LoggerFactory.getLogger(PropertiesUtil.class);

        private static Properties props;

        static {
            String fileName = "mmall.properties";
            props = new Properties();
            try {
                props.load(new InputStreamReader(PropertiesUtil.class.getClassLoader().
                        getResourceAsStream(fileName),"UTF-8"));
            } catch (IOException e) {
                log.error("配置文件读取异常",e);
            }
        }

        public static String getProperty(String key){
            String value = props.getProperty(key.trim());
            if(StringUtils.isBlank(value)){
                return null;
            }
            return value.trim();
        }

        public static String getProperty(String key,String defaultValue){

            String value = props.getProperty(key.trim());
            if(StringUtils.isBlank(value)){
                value = defaultValue;
            }
            return value.trim();
        }



    }


